Job Description
Job Description
Assistant Office Manager
Location : Midtown NYC (Hybrid – 3 Days In-Office)
Salary : Up to $90,000
Industry : Law Firm
SourcePro Search is partnering with a respected and energetic mid-size law firm in Midtown Manhattan to find a sharp, detail-oriented Assistant Office Manager . This is an excellent opportunity for someone with a strong foundation in law firm billing, AP / AR , and office operations who’s ready to step into a key leadership support role.
The right candidate is organized, proactive, flexible , and capable of juggling priorities while keeping a calm, professional demeanor. This role offers a collaborative hybrid schedule and an opportunity to truly grow with a firm that values both structure and innovation.
What You’ll Do :
- Support the Office Manager and Managing Partners with high-level administrative and operational tasks
- Handle monthly billing , including posting client expenses in Timeslips and QuickBooks, and preparing LEDES1998-compliant client bills
- Manage accounts payable, receivable, collections, deposits, and trust fund accounts
- Communicate directly with vendors and monitor invoice status and resolution
- Oversee expense reimbursements and assist with payroll coordination
- Help coordinate HR and benefits administration , and support onboarding and training of new hires
- Maintain proper file management systems using FileVine and assist with general office support
- Generate regular administrative reporting for firm leadership
What You’ll Bring :
3–5 years of law firm or professional services office administration experiencePrior hands-on experience with billing, AP, AR, and collectionsTech-savvy with strong proficiency in QuickBooks, Timeslips, Outlook, Word, and ExcelAbility to juggle multiple responsibilities , work independently, and remain composed under pressureExcellent written and verbal communication skillsA team-oriented mindset with a respectful and professional approach when working with all levels of staff and leadershipDiscretion and trustworthiness in handling confidential dataExperience with FileVine , HR , or benefits is a plusIf you're seeking a growth-oriented support role in a fast-paced, highly collaborative legal environment, this opportunity could be the perfect fit.
Apply today through SourcePro Search to be considered for this exciting role!